33results about How to "Prolong the elapsed time" patented technology

Provided is a powder magnetic core for a reactor, whose electromagnetic properties are difficult to change with time, even when applied to a reactor used in a state that the core is exposed without being potted. The powder magnetic core for a reactor consists essentially of a compact composed of an insulation-coated iron-based soft magnetic powder that an insulating film is formed on the surface of an iron-based soft magnetic powder, and which has such a change with time of 500 hours at 180° C. that a ratio of decrease in effective magnetic permeability being 1% or less. In the compact, the content of gapping between two adjacent particles of the insulation-coated iron-based soft magnetic powder is 2 vol % or less.

In a vehicle of the invention, the lower between a first permissive water temperature based on an outside air temperature Tout and an elapsed time since system activation and a second permissive water temperature based on a target air outlet temperature in an air conditioning system is set to an intermittent operation permissive water temperature. When a cooling water temperature of an engine is not lower than the set intermittent operation permissive water temperature, intermittent operation of the engine is permitted. When the cooling water temperature of the engine is lower than the set intermittent operation permissive water temperature, on the other hand, intermittent operation of the engine is prohibited. This arrangement ensures appropriate control of the intermittent operation of the engine and thus effectively improves the fuel efficiency of the vehicle.

The invention discloses an instant heating-type water-electricity separation heater which comprises a shell, a circulating guide system, a heating component and a control system; the circulating guide system consists of a plurality of electric heating tubes alternately arranged up and down, and an upper guide cavity and a lower guide cavity which are positioned on two ends of the electric heating tubes; the lower guide cavity is connected with a water inlet pipe and a water outlet pipe; a plurality of guide holes corresponding to electric heating tubes are arranged on the upper guide cavity and the lower guide cavity; the adjacent guide holes up-and-down are communicated through a guide groove; each electric heating tube is inserted into the guide holes corresponding to two ends of the electric heating tube to form a reflow guide passage; the heating component consists of a heating film coated on the periphery of each electric heating tube, argent electrodes coated on the outside of two ends of the heating film and electrodes sleeved on the periphery of the argent electrodes; and the electrodes are connected to a power supply. The instant heating-type water-electricity separation heater changes the mode that in the prior electric water heater, an electric heating bar is directly put into water and heats the water; through combining the electric heating tubes and the heating films for heating and heat conduction, the instant heating-type water-electricity separation heater realizes real water-electricity separation and has good safety.

The invention discloses a flame-retardant type anti-explosion valve of a crankcase. The flame-retardant type anti-explosion valve of a crankcase comprises a valve deck and a valve seat. A valve clackis arranged on the valve seat. An inner flame-retardant ring group, an outer flame-retardant ring and a spring are arranged between the valve deck and the valve seat. The upper end of the spring is fixed to the valve deck. The lower end of the spring tightly presses the valve clack. The inner flame-retardant ring group and the outer flame-retardant ring are arranged in the space formed by the valve deck and the valve seat to form a flame retardant device. Because the flame-retardant type anti-explosion valve of a crankcase is adopted, the airflow through holes of the valve are evenly distributed along the surfaces of ring bodies, the airflow through holes of the same ring body are evenly arranged side by side, the airflow through holes of two adjacent ring bodies stagger to form labyrinthtype bend channels, the time for airflow and flames to pass through can be effectively prolonged while heat exchange between airflow and the inner walls of the flame retardant rings can be sufficient,the use ratio of the flame retardant rings is increased to the maximum degree, the temperature is lowered, and the purposes of reducing pressure and putting out flames are achieved finally. The flame-retardant type anti-explosion valve of a crankcase is simple in structure, and easy to produce and install. The problems exist in an anti-explosion valve can be solved. The flame-retardant type anti-explosion valve of a crankcase has broad application prospects.

The invention relates to an overheating prevention structure, a water heater and a control method thereof, and a computer-readable storage medium. The water passing part of the anti-overheating structure can dissipate heat and has a water flow channel. The water flow channel includes: the first water flow section, the throttling section and the second water flow section connected in sequence; The second heat sink is used to absorb the heat on the surface of the water-passing element through heat conduction; the second heat sink is used to receive the driving command, generate airflow based on the drive command, and dissipate the heat on the surface of the first heat sink through heat convection. When the number of water points increases, the second heat sink receives the drive command to generate airflow based on the drive command, and dissipates the heat on the surface of the first heat sink through thermal convection, and through the cooperation with the first heat sink, it can properly reduce the flow through the water passage. The water temperature; the water flow channel is provided with a throttling section, prolonging the time of hot water flowing through the water passage, which can effectively reduce the temperature of the water flowing through the water passage, and avoid the excessive temperature of the water outlet of the water heater.

The invention discloses a mist catcher capable of being conveniently cleaned. The mist catcher comprises a filtering bush, wherein a bottom connecting plate is fixed at the bottom end of the filteringbush, a gas inlet through hole is formed in the middle of the bottom connecting plate, a vertical guide bush is fixed in the middle of the top surface of the bottom connecting plate, and is communicated to the gas inlet through hole, an upper cover plate is fixed to the top end of the vertical guide bush, and covers the top of the vertical guide bush, an upper sleeve body is fixed to the bottom surface of the edge of the upper cover plate, the vertical guide bush is inserted and sleeved into the upper sleeve body, an outer sleeve body is fixed to the edge of the top surface of the bottom connecting plate, and the upper sleeve body is inserted and sleeved into the outer sleeve body. According to the invention, with the mist catcher, the flowing time of the oil liquid mist in the filteringbush can be prolonged, so that the oil liquid mixed in the filtering bush can be remained in the filtering bush and finally drips down from the filtering bush, the filtering effect is good, and the efficiency is high.

The invention relates to a method for extracting and recycling residual potassium chloride from salt-lake tail salt and waste carnallite. The method comprises the following steps: mixing to-be-recycled waste, aged saturated brine and fresh water to obtain a waste-dissolved solution, adding aged saturated brine at least once to adjust the baume degree of the waste-dissolved solution, and keeping the baume degree of the waste-dissolved solution within a preset range in such a way that the waste-dissolved solution is introduced into a salt pond and then crystallized to form carnallite. According to the method, high-quality carnallite with the potassium content great than or equal to 15% can be obtained through the technical processes such as batching, decomposing, allocating, mixing, clarifying and crystallizing. The method for extracting and recycling residual potassium chloride from salt-lake tail salt and waste carnallite can be used for effectively recycling residual potassium from the waste and has the advantages of low cost, high efficiency, reduction of resource waste and the like; and a great amount of potassium chloride can be refined from the high-quality carnallite by a flotation technology.

The invention relates to the technical field of the Internet of Things. In order to solve the problem of increasing the power consumption of the gateway due to the need to set a dedicated AD acquisition module and an extended serial port chip to expand the number of serial ports in the existing Internet of Things gateway, a low-power intelligent Internet of Things gateway is provided. , including a collection module for collecting local element data; wherein, the collection module includes a basic element collection unit and a personalized element collection unit, the local element data includes basic element data and personalized element data, and the basic element collection unit collects basic element data, The personalized element collection unit collects personalized element data; it also includes a co-processing module, which is used to process the collected basic element data to obtain basic element information; a main processing module, which is used to process the personalized element data to obtain personalized elements information, and process the obtained personalized element information and basic element information to generate application information; the communication module is used to send application information to the cloud platform.

The invention discloses a circular cooling device for an EPS forming machine, and relates to the technical field of EPS forming machines. Multiple water driving mechanisms are mounted on the inner wall of the upper side of a drying room; axial flow fans are mounted at output ends of the water driving mechanisms; a turbine impeller converts the flowing potential energy of hot water to mechanical energy of self rotation, so that more heat can be dissipated into the drying room in the process, the temperature in the drying room is increased, and EPS foamed models in the drying room are dried; multiple annular bodies are fixedly inserted in an external cavity, so that air formed by the axial flow fans is blown to the EPS foamed models in the drying room after penetrating through the annular bodies, and the drying effect of the EPS foamed models is improved; and as the heat of the hot water is quickly dissipated, cooling water is injected into a water storage tank again through a reflux pipe after heat dissipation, and the cooling water in the water storage tank is injected into a foaming molding machine for cooling the foaming molding machine to enable the hot water and the cooling water to form a circulation.

The invention provides a gaseous nitrous acid generating device and a technology thereof. The device comprises a mass flow controller and a gas transportation pipeline which are connected with a compressing steel cylinder, an output end of the mass flow controller is connected with a spiral pipe gas generator, the spiral pipe gas generator is sequentially connected with a glass spiral pipe and a gas-liquid separation bottle which are integrally formed in the spiral pipe gas generator through a gas input pipe, a bypass input pipe is formed in the gas input pipe of the glass spiral pipe, and the bypass input pipe is connected with a dilute sulphuric acid reagent bottle and a sodium nitrite solution reagent bottle through a three-way valve connected with the bypass input pipe and liquid transportation pipelines at the two ends of the three-way valve and peristaltic pumps respectively; the upper end of the gas-liquid separation bottle is provided with a gas outlet, and a liquid transportation connector at the lower end of the gas-liquid separation bottle is connected with a waste liquid bottle through a liquid transportation pipeline and a peristaltic pump. According to the gaseous nitrous acid generating device and the technology thereof, the flowing path of a mixed solution is lengthened through the glass spiral pipe in the spiral pipe gas generator, gas and liquid are fully mixed in a turbulent mode, nitrous acid molecules spread to the gas phase, separation is achieved in the gas-liquid separation bottle, and high-purity gaseous nitrous acid is produced.

The invention provides a heat pump drying device comprising a heat pump circulation system and a drying chamber. The heat pump circulation system is provided with a first air outlet and a first air inlet. The drying chamber is provided with a second air inlet and a second air outlet. The first air outlet is connected with the second air inlet. The first air inlet is connected with the second air outlet. The drying chamber comprises a drying chamber shell. The drying chamber shell comprises an upper shell and a lower shell which are mutually independent. The upper shell and the lower shell areboth internally hollow. The upper shell is arranged on the upper side of the lower shell. The upper end of the left side of the upper shell is provided with the second air inlet, and thus the upper shell and the lower shell communicate with each other. The heat pump drying device provided by the invention can meet drying process requirements of modern agriculture scale production and various agricultural products, and the drying device can operate efficiently and safely under different climatic conditions and can provide a good drying effect.